# Service difficulty reports: N862AF, cancelled Apr 14, 2026 A list on [N862AF, cancelled Apr 14, 2026](https://openairdocs.org/deregistered/N862AF-2026-04-14.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR 2011FA0000453](https://openairdocs.org/sdr/2011FA0000453.md): Pump · failed · Jul 9, 2011 · N862AF · Grob G120A · Engine Fuel Pump > PILOT REPORTED LOW FUEL PRESSURE AT 700 RPM, 10-12 PSI. INSTALLED ANOTHER PUMP RAN ACFT OPS CHECKED OK. NO PROBABLE CAUSE OR RECOMMENDATIONS AT THIS TIME. - [SDR 2007FA0000005](https://openairdocs.org/sdr/2007FA0000005.md): Pump · worn · Sep 22, 2006 · N862AF · Grob G120A · Vacuum System > DURING FLIGHT SUCTION PRESSURE READING DROPPED TO ZERO, DURING FURTHER TROUBLESHOOTING TECHICIAN FOUND THE ENGINE DRIVEN DRY AIR PUMP SHAFT HAD BROKEN. PROBABLE CAUSE COULD BE FROM ENGINE VIBRATION OR POOR PARTS. RECOMMENDATION AT THIS TIME IS FOR THE MFG T - [SDR 2006FA0000911](https://openairdocs.org/sdr/2006FA0000911.md): Pump · leaking · Aug 28, 2006 · N862AF · Grob G120A · Engine Fuel Pump > PILOT REPORTED A STRANGE ODOR AFTER THEY PUT THE GEAR UP, WHILE TROUBLESHOOTING MECHANIC FOUND ENGINE FUEL PUMP LEAKING FROM PRESSURE ADJUSTMENT SCREW. NO PROPABLE CAUSE OR RECOMMENDATIONS AT THIS TIME. (K) - [SDR 2005FA0000691](https://openairdocs.org/sdr/2005FA0000691.md): Uplock · intermittent · Jan 12, 2005 · N862AF · Grob G120A · Landing Gear Position and Warning > DURING FLIGHT, GEAR SELECTED TO DOWN AND LT MAIN GEAR EXTENSION WAS DELAYED. AFTER ABOUT 25 SECONDS LT MAIN GEAR EXTENDED. MAINTENANCE TECHNICIAN FOUND LT LANDING GEAR UP LOCK ASSY WAS INTERMITTENT. REPLACED ASSY. NO RECOMMENDATION AT THIS TIME. (K) - [SDR 2005FA0000153](https://openairdocs.org/sdr/2005FA0000153.md): Swivel · cracked · Nov 24, 2004 · N862AF · Grob G120A · Nose/Tail Landing Gear > INSPECTION OF NOSE GEAR UPPER TRUNNION BOLTS, FOUND CRACKS AROUND WELDS AND ON THE EARS FOR THE SWIVEL TUBE. PROBABLE CAUSE EXCESSIVE STRESSES IN THIS AREA. AT THIS TIME NO RECOMMENDATION UNTIL MFG MAKES DETERMINATION OF CAUSES. (K) - [SDR 2005FA0000111](https://openairdocs.org/sdr/2005FA0000111.md): Pump · sheared · Nov 17, 2004 · N862AF · Grob G120A · Vacuum Distribution System > DURING RUN-UP OF AIRCRAFT PILOT REPORTED LOST OF INSTRUMENT VACUUM SUCTION. MAINTENANCE TECHNICIAN FOUND VACUUM PUMP HAD A BROKEN SHAFT. UPON REPLACEMENT OF VACUUM PUMP INSTRUMENT SUCTION WAS FOUND TO BE OK. RECOMMEND FINDING A REPLACEMENT THAT IS MORE DURA - [SDR 2003FA0001015](https://openairdocs.org/sdr/2003FA0001015.md): Lever · binding · Sep 29, 2003 · N862AF · Grob G120A · Aileron Control System > DURING FLEET WIDE INSPECTION, FOUND BEARING IN AILERON LEVER 2 ASSY. PN 120A-4242 TO BE DAMAGED AND BINDING. DAMAGE APPEARS TO BE CAUSED BY THE BUSHING PN 120A-4435.02 IN THE FORK ENDS PN 120A4435.01. IT APPEARS THAT DESIGN LIMITATIONS OF THE FLIGHT CONTROL - [SDR 2003FA0000872](https://openairdocs.org/sdr/2003FA0000872.md): Bearing · failed · Aug 14, 2003 · N862AF · Grob G120A · Rudder Structure > DURING PRE-FLIGHT INSPECTION, FLIGHT CREW REPORTED A NOISE FROM THE RUDDER. INSPECTION OF THE RUDDER SYSTEM REVEALED A FAILED BEARING IN THE BEARING SUPPORT OF THE LOWER RUDDER HINGE. THE OUTER CASE OF THE BEARING HAD TWO PIECES BROKEN OFF AND MISSING. BEAR - [SDR 2003FA0000726](https://openairdocs.org/sdr/2003FA0000726.md): Handle · intermittent · Jun 19, 2003 · N862AF · Grob G120A · Landing Gear Selector > PILOT REPORTED LT GEAR LIGHT FLICKERED IN FLIGHT. ON FURTHER INVESTIGATION WE BELIEVE WE HAD AN INTERMITTENT LIGHT INSIDE THE GEAR HANDLE. NO PROBABLE CAUSE OR RECOMMENDATION TO PREVENT THIS FROM RECURRING. - [SDR 2003FA0000731](https://openairdocs.org/sdr/2003FA0000731.md): Probe · failed · Jun 13, 2003 · N862AF · Grob G120A · Engine EGT/TIT Indicating System > ON GROUND RUN-UP EGT INDICATOR FLUCTUATED 25 DEGREES. ON FURTHER INVESTIGATION FOUND CARBON ON END OF PROBE. - [SDR 2003FA0000557](https://openairdocs.org/sdr/2003FA0000557.md): Bearing · failed · May 12, 2003 · N862AF · Grob G120A · Aileron Control System > DURING INSPECTION OF AIRCRAFT, FOUND BEARING TO BE FAILING. RETAINING CLIP AND SEAL WERE BEING FORCED OUT OF BEARING. - [SDR 2003FA0000547](https://openairdocs.org/sdr/2003FA0000547.md): Bearing · failed · May 12, 2003 · N862AF · Grob G120A · Elevator Control System > DURING INSPECTION OF AIRCRAFT, FOUND BEARING TO BE FAILING. RETAINING CLIP AND SEAL WERE BEING FORCED OUT OF BEARING. PROBABLE CAUSE IS A DESIGN FLAW IN THE CONTROL SYSTEM WHICH ALLOWS THE CONTROL ROD DEFLECTION TO EXCEED THE DESIGN LIMIT OF THE BEARING. RE - [SDR 2003FA0000546](https://openairdocs.org/sdr/2003FA0000546.md): Bearing · failed · May 12, 2003 · N862AF · Grob G120A · Aileron Control System > DURING INSPECTION OF AIRCRAFT, FOUND BEARING TO BE FAILING. RETAINING CLIP AND SEAL WERE BEING FORCED OUT OF BEARING. PROBABLE CAUSE IS A DESIGN FLAW IN THE CONTROL SYSTEM WHICH ALLOWS THE CONTROL ROD DEFLECTION TO EXCEED THE DESIGN LIMIT OF THE BEARING. RE - [SDR 2003FA0000535](https://openairdocs.org/sdr/2003FA0000535.md): Bearing · failed · May 12, 2003 · N862AF · Grob G120A · Aileron Control System > DURING INSPECTION OF AIRCRAFT, FOUND BEARING TO BE FAILING. RETAINING CLIP AND SEAL WERE BEING FORCED OUT OF BEARING. PROBABLE CAUSE IS A DESIGN FLAW IN THE CONTROL SYSTEM WHICH ALLOWS THE CONTROL ROD DEFLECTION TO EXCEED THE DESIGN LIMIT OF BEARING. RECOMM - [SDR 2003FA0000342](https://openairdocs.org/sdr/2003FA0000342.md): Shaft · damaged · Mar 19, 2003 · N862AF · Grob G120A · Pneumatic Distribution System > DURING FLIGHT AIR PRESSURE INDICATED ZERO OUTPUT. MAINTENANCE TECH FOUND BROKEN SHAFT ON DRY AIR PUMP. PROBABLE CAUSE: VIBRATION FROM ENGINE. C/A: MFG TO INVESTIGATE PUTTING STIFFER LORD MOUNTS ON ENGINE FRAME TO REDUCE ENGINE VIBRATION TO OTHER COMPONENTS - [SDR VJ32003F00021](https://openairdocs.org/sdr/VJ32003F00021.md): Indicator · erratic · Jan 24, 2003 · N862AF · Grob G120A · Engine RPM Indicating System > THE RPM INDICATOR IS ERRATIC AND STICKS DURING FLIGHT. PROBABLE CAUSE MAY BE INTERNAL MECHANISM FAILING. - [SDR VJ32003F00018](https://openairdocs.org/sdr/VJ32003F00018.md): Motor · noisy · Jan 5, 2003 · N862AF · Grob G120A · Trailing Edge Flap Control System > DURING FLIGHT, FLIGHT CREW HEAR LOUD NOISE FROM CARGO AREA WHILE USING FLAPS. MAINTENANCE TROUBLESHOOT AND FOUND THAT THE MOTOR OF THE FLAP UNIT WAS EXTREMELY NOISY. REPLACE FLAP MOTOR UNIT AND NOISE WHEN AWAY. EXPECT THAT BEARING IN UNIT ARE DRY OR INTERNA - [SDR VJ32003F00011](https://openairdocs.org/sdr/VJ32003F00011.md): Relay · shorted · Dec 9, 2002 · N862AF · Grob G120A · Hydraulic System, Main > DURING PROGRESSIVE INSPECTION FOUND BAD RELAY THAT CAUSED THE LANDING GEAR SYSTEM TO FAIL. BELIEVE THE CAUSE IS BECAUSE THE HYDRAULIC CONTROL RELAY SHORTED INTERNALLY. STILL TROUBLESHOOTING THE SYSTEM TO FIND WHAT CAUSED THE RELAY TO SHORT. - [SDR VJ32003F00010](https://openairdocs.org/sdr/VJ32003F00010.md): Relay · shorted · Dec 9, 2002 · N862AF · Grob G120A · Hydraulic System, Main > DURING PROGRESSIVE INSPECTION AND CYCLE OF THE LANDING GEAR WE HAD A FAILURE OCCUR. FOUND A BAD HYD CONTROL RELAY THAT SHORTED. BECAUSE OF THAT SHORT IT ALLOWED TOO MUCH CURRENT TO FLOW TO PC BOARD AND SHORTED OUT BOARD BETWEEN RELAY K13 PIN 13 AND 16 TO BOA - [SDR VJ32003F00003](https://openairdocs.org/sdr/VJ32003F00003.md): Shock Mount · damaged · Dec 4, 2002 · N862AF · Grob G120A · Engine Mount Section > DURING PROGRESSIVE INSPECTION OF ENGINE BAY, FOUND LOWER LEFT LORD MOUNT DAMAGED FROM HEAT OF EXHAUST SYSTEM. SUGGEST INSTALLING SOME TYPE OF HEAT SHIELDING OR CHANGING MOUNT TO A MORE HEAT RESISTANT STYLE. PART RETURNED FOR WARRANTY. - [SDR VJ32002F00080](https://openairdocs.org/sdr/VJ32002F00080.md): Bracket · cracked · Sep 25, 2002 · N862AF · Grob G120A · Engine Collector/Tailpipe/Nozzle > TAILPIPE SUPPORT BRACKET CRACKED AT WELD FROM ENGINE HEAT AND USE AFTER 445 HOURS OF OPERATION. REMOVED MUFFLER AND INSTALLED NEW MUFFLER ASSEMBLY. RECOMMENDATION IS TO BUILD UP THE WELD AREA BETTER. PART SENT IN FOR WARRANTY. - [SDR VJ32002F00064](https://openairdocs.org/sdr/VJ32002F00064.md): Stud · loose · Sep 6, 2002 · N862AF · Grob G120A · Engine Starter > DURING PROGRESSIVE INSPECTION OF ENGINE FOUND TERMINAL STUD ON STARTER SOLENOID LOOSE. - [SDR VJ32002F00057](https://openairdocs.org/sdr/VJ32002F00057.md): Switch · failed · Jul 19, 2002 · N862AF · Grob G120A · DME/TACAN System > DURING INSPECTION OF A DME FAILURE. FOUND WIRE TO SWITCH BROKEN FROM PIN 1. BELIEVE THIS IS BECAUSE OF THE ANGLE THAT THE WIRE IS ROUTED BEHIND THE INSTRUMENT PANEL. SUGGEST MAKING THIS WIRE AN INCH LONGER OR RE-ROUTE TO RELIEF STRESS ON WIRES. - [SDR 2002FA0000711](https://openairdocs.org/sdr/2002FA0000711.md): Baffle · cracked · May 31, 2002 · N862AF · Grob G120A · Engine Noise Suppressor > ENGINE BAFFLE CRACKED ON NUMBER 3 CYLINDER. PART REMOVED AND NEW BAFFLE INSTALLED. PART SENT IN FOR WARRANTY. - [SDR VJ32002F00032](https://openairdocs.org/sdr/VJ32002F00032.md): Pump · sheared · May 7, 2002 · N862AF · Grob G120A · Pneumatic System > METAL SHAFT SHEARED IN PUMP. REMOVED AND INSTALLED NEW PUMP, SYSTEM OPERATIONAL CHECKED NORMAL. PUMP SENT IN FOR WARRANTY. - [SDR VJ32002F00034](https://openairdocs.org/sdr/VJ32002F00034.md): Baffle · cracked · May 6, 2002 · N862AF · Grob G120A · Reciprocating Engine Cylinder Section > ENGINE BAFFLE CRACKED ON NUMBER 3 CYLINDER. PART REMOVED AND NEW BAFFLE INSTALLED. PART SENT IN FOR WARRANTY. - [SDR VJ32002F00033](https://openairdocs.org/sdr/VJ32002F00033.md): Baffle · cracked · May 6, 2002 · N862AF · Grob G120A · Reciprocating Engine Cylinder Section > ENGINE BAFFLE CRACKED ON NUMBER 3 CYLINDER. PART REMOVED AND NEW BAFFLE INSTALLED. PART SENT IN FOR WARRANTY. - [SDR 2002FA0000514](https://openairdocs.org/sdr/2002FA0000514.md): Handle · failed · Apr 12, 2002 · N862AF · Grob G102ASTIR · Landing Gear Selector > LANDING GEAR WAS CYCLED TO THE DOWN POSITION IN FLIGHT, BOTH MAIN GEAR DOWN LIGHTS CAME ON AND THE NOSE GEAR DOWN LIGHTS CAME ON AND THE NOSE GEAR DOWN LIGHTS FAILED TO COME ON. THE SYSTEM WAS TESTED IAW FLIGHT MANUAL PROCEDURES AND THE LIGHTS FOR THE NOSE GE - [SDR 2002FA0000481](https://openairdocs.org/sdr/2002FA0000481.md): Actuator · failed · Apr 2, 2002 · N862AF · Grob G102ASTIR · Landing Gear Actuator > NOSE LANDING GEAR HYDRAULIC ACTUATOR BOTTOM SEAL AROUND SHAFT BLOW OUT AND LEAKING FLUID FROM CYLINDER. ACTUATOR REMOVED AND A NEW ACTUATOR INSTALLED. ACTUATOR SENT IN FOR WARRANTY. - [SDR 2002FA0000480](https://openairdocs.org/sdr/2002FA0000480.md): Servo · sticking · Apr 1, 2002 · N862AF · Grob G102ASTIR · Aileron Tab Control System > TRIM SERVO STICKING IN OPERATION AND FAILS TO MOVE THE AILERON TRIM TAB. REMOVED AND INSTALLED NEW TRIM SERVO ASSEMBLY. PART SENT IN FOR WARRANTY. ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE n_number = 'N862AF' AND deregistration_id = 'N862AF-2026-04-14' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N862AF-2026-04-14/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.